Esempio n. 1
0
        static void Main(string[] args)
        {
            var    instanceName = !string.IsNullOrEmpty(InstanceName) ? InstanceName : StreamInsightSetupInfo.EnumerateInstances()[0];
            Server server;

            try
            {
                server = Server.Create(instanceName);
            }
            catch
            {
                Console.WriteLine("Could not create StreamInsight instance. Please open Program.cs and check InstanceName.");
                return;
            }
            var application = server.CreateApplication("StockInsight");

            // Determine path for historical data
            var dataPath = Path.GetDirectoryName(Environment.GetCommandLineArgs()[0]) + "\\HistoricalData\\";

            var ericUSDEnumerable = StockData.GetStockEnumerable(dataPath + "eric_b_usd_2009.csv",
                                                                 "ERIC-USD",
                                                                 new string[] { "Open", "High", "Low", "Close", "Volume", "Adj Close" }
                                                                 );

            var ericSEKEnumerable = StockData.GetStockEnumerable(dataPath + "eric_b_sek_2009.csv",
                                                                 "ERIC-SEK",
                                                                 new string[] { "Open", "High", "Low", "Close", "Volume", "Adj Close" }
                                                                 );

            var nokiaUSDEnumerable = StockData.GetStockEnumerable(dataPath + "nokia_2009.csv",
                                                                  "NOKIA-USD",
                                                                  new string[] { "Open", "High", "Low", "Close", "Volume", "Adj Close" }
                                                                  );

            var USDSEKEnumerable = StockData.GetStockEnumerable(dataPath + "USD_SEK_ExchangeRate_2009.csv",
                                                                "USD-SEK",
                                                                new string[] { "Value" }
                                                                );

            // Run examples
            filterExample(ericUSDEnumerable, application);
            crossJoinProjectionExample(ericSEKEnumerable, ericUSDEnumerable, USDSEKEnumerable, application);
            avgExample(ericUSDEnumerable, application);
            groupApplyExample(ericUSDEnumerable, application);
            bigLooserExample(ericUSDEnumerable, application);
            userFilterExample(ericUSDEnumerable, application);
            standardDeviationExample(ericUSDEnumerable, application);

            application.Delete();
            server.Dispose();
        }
Esempio n. 2
0
        /// <summary>
        /// Starting point.
        /// </summary>
        public static void Main()
        {
            // Create the server and application
            var    instanceName = !string.IsNullOrEmpty(InstanceName) ? InstanceName : StreamInsightSetupInfo.EnumerateInstances()[0];
            Server server;

            try
            {
                server = Server.Create(instanceName);
            }
            catch
            {
                Console.WriteLine("Could not create StreamInsight instance. Please open Program.cs and check InstanceName.");
                return;
            }
            var application = server.CreateApplication("StockInsight");

            // Determine path for historical data
            var dataPath = Path.GetDirectoryName(Environment.GetCommandLineArgs()[0]) + "\\HistoricalData\\";

            // Configuration for input
            var ericSEKConfig = new StockQuoteInputConfig
            {
                ID          = "ERIC-SEK",
                Filename    = dataPath + "eric_b_sek_2009.csv",
                ColumnNames = new string[] { "Open", "High", "Low", "Close", "Volume", "Adj Close" },
                StartDate   = new DateTime(2009, 01, 01),
                Interval    = 0
            };

            // Configuration for input
            var ericUSDConfig = new StockQuoteInputConfig
            {
                ID          = "ERIC-USD",
                Filename    = dataPath + "eric_b_usd_2009.csv",
                ColumnNames = new string[] { "Open", "High", "Low", "Close", "Volume", "Adj Close" },
                StartDate   = new DateTime(2009, 01, 01),
                Interval    = 0
            };

            // Configuration for input
            var nokiaUSDConfig = new StockQuoteInputConfig
            {
                ID          = "NOKIA-USD",
                Filename    = dataPath + "nokia_2009.csv",
                ColumnNames = new string[] { "Open", "High", "Low", "Close", "Volume", "Adj Close" },
                StartDate   = new DateTime(2009, 01, 01),
                Interval    = 0
            };

            // Configuration for input
            var USDSEKConfig = new StockQuoteInputConfig
            {
                ID          = "USD-SEK",
                Filename    = dataPath + "USD_SEK_ExchangeRate_2009.csv",
                ColumnNames = new string[] { "Value" },
                StartDate   = new DateTime(2009, 01, 01),
                Interval    = 0
            };

            // Configure output adapter
            var outputConfig = new StockQuoteOutputConfig();

            // Instantiate semaphor for stop signal
            var adapterStopSignal = new EventWaitHandle(false,
                                                        EventResetMode.AutoReset, outputConfig.AdapterStopSignal);

            // Add input and output adapter factories to the server
            var inputAdapter  = application.CreateInputAdapter <StockQuoteInputFactory>("StockQuoteInput", "Description...");
            var outputAdapter = application.CreateOutputAdapter <StockQuoteOutputFactory>("StockQuoteOutput", "Description...");

            // Create queries
            createFilterExampleQuery(application, ericUSDConfig, outputConfig, inputAdapter, outputAdapter);
            createCrossJoinExampleQuery(application, ericUSDConfig, ericSEKConfig, USDSEKConfig, outputConfig, inputAdapter, outputAdapter);
            createAvgExampleQuery(application, ericUSDConfig, outputConfig, inputAdapter, outputAdapter);
            createGroupApplyExampleQuery(application, ericUSDConfig, outputConfig, inputAdapter, outputAdapter);
            createBigLooserExampleQuery(application, ericUSDConfig, outputConfig, inputAdapter, outputAdapter);
            createUserFilterExampleQuery(application, ericUSDConfig, outputConfig, inputAdapter, outputAdapter);
            createStandardDeviationExampleQuery(application, ericUSDConfig, outputConfig, inputAdapter, outputAdapter);

            // Execute the queries (one at a time)
            // It would also be possible to execute them in parallell
            foreach (var query in application.Queries.Values)
            {
                Console.WriteLine("\r\nQuery: " + query.Name);

                // Start
                query.Start();

                // Wait until output adapter signals that it is finished
                DiagnosticView diagnosticView;
                do
                {
                    Thread.Sleep(100);
                    diagnosticView = query.Application.Server.GetDiagnosticView(query.Name);
                } while ((string)diagnosticView["QueryState"] == "Running");

                // Stop
                query.Stop();
            }

            // Release resources
            application.Delete();
            server.Dispose();
            //application.Dispose();
        }